Level game combined with shooting and adventure in horizontal version. This game contains nearly 200 levels of common challenges with different degrees of difficulty and styles, and it will also randomly touch off the copy of challenges according to different conditions. In this game, the player will play the role of one guard of the earth empire, and through his (or her) own efforts, he (or she) can summon dozens of heroes fighting for the earth. During the challenge task, the players can collect a variety of training materials to strengthen their heroes in different ways, and then get ready to beat the knotty BOSS.